[gnome-shell-sass] system: Always use default avatar in switch-user submenu

[Florian Müllner <fmuellner src gnome org>]

commit 055fefe597605cec6de6899667d4ff45f83a5857
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Feb 5 13:55:14 2019 +0100

    system: Always use default avatar in switch-user submenu
    
    It is too small to be really useful, and sticks out being the
    only color icon.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/957

 _common.scss | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/_common.scss b/_common.scss
index 3eb9533..44bf04e 100644
--- a/_common.scss
+++ b/_common.scss
@@ -1080,11 +1080,7 @@ StScrollBar {
 
   // a little unstructured mess:
 
-  .system-switch-user-submenu-icon.user-icon {
-    icon-size: 20px;
-    padding: 0 2px;
-  }
-  .system-switch-user-submenu-icon.default-icon {
+  .system-switch-user-submenu-icon {
     icon-size: 16px;
     padding: 0 4px;
   }